156655720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{719}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 381024000

約数和(自身を除く): 224368280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 419, 520, 719, 838, 1438, 1676, 2095, 2876, 3352, 3595, 4190, 5447, 5752, 7190, 8380, 9347, 10894, 14380, 16760, 18694, 21788, 27235, 28760, 37388, 43576, 46735, 54470, 74776, 93470, 108940, 186940, 217880, 301261, 373880, 602522, 1205044, 1506305, 2410088, 3012610, 3916393, 6025220, 7832786, 12050440, 15665572, 19581965, 31331144, 39163930, 78327860, 156655720]

約数ペア:

[(1, 156655720), (2, 78327860), (4, 39163930), (5, 31331144), (8, 19581965), (10, 15665572), (13, 12050440), (20, 7832786), (26, 6025220), (40, 3916393), (52, 3012610), (65, 2410088), (104, 1506305), (130, 1205044), (260, 602522), (419, 373880), (520, 301261), (719, 217880), (838, 186940), (1438, 108940), (1676, 93470), (2095, 74776), (2876, 54470), (3352, 46735), (3595, 43576), (4190, 37388), (5447, 28760), (5752, 27235), (7190, 21788), (8380, 18694), (9347, 16760), (10894, 14380)]